weblogic.common.ResourceException: No good connections available.

正在 "/Farm_soa_domain/soa_domain/soa_cluster" 的分区 "default" 上进行部署...
未能在 "/Farm_soa_domain/soa_domain/soa_cluster" 上部署!
There was an error deploying the composite on soa_server1: Error occured when creating target MDS instance.: oracle.mds.config.MDSConfigurationException: MDS-01330: unable to load MDS configuration document
MDS-01329: unable to load element "persistence-config"
MDS-01370: MetadataStore configuration for metadata-store-usage "soa-infra-store" is invalid.
MDS-01376: Unable to get database connection from data source "mds-soa" configured with JNDI name "jdbc/mds/MDS_LocalTxDataSource".
weblogic.common.ResourceException: No good connections available.
No good connections available.
: MDS-01330: unable to load MDS configuration document
MDS-01329: unable to load element "persistence-config"
MDS-01370: MetadataStore configuration for metadata-store-usage "soa-infra-store" is invalid.
MDS-01376: Unable to get database connection from data source "mds-soa" configured with JNDI name "jdbc/mds/MDS_LocalTxDataSource".
weblogic.common.ResourceException: No good connections available.
No good connections available.
.
正在 "/Farm_soa_domain/soa_domain/soa_cluster" 的分区 "default" 上进行部署...
未能在 "/Farm_soa_domain/soa_domain/soa_cluster" 上部署!
There was an error deploying the composite on soa_server2: Error occured when creating target MDS instance.: oracle.mds.config.MDSConfigurationException: MDS-01330: unable to load MDS configuration document
MDS-01329: unable to load element "persistence-config"
MDS-01370: MetadataStore configuration for metadata-store-usage "soa-infra-store" is invalid.
MDS-01376: Unable to get database connection from data source "mds-soa" configured with JNDI name "jdbc/mds/MDS_LocalTxDataSource".
weblogic.common.ResourceException: No good connections available.
No good connections available.
: MDS-01330: unable to load MDS configuration document
MDS-01329: unable to load element "persistence-config"
MDS-01370: MetadataStore configuration for metadata-store-usage "soa-infra-store" is invalid.
MDS-01376: Unable to get database connection from data source "mds-soa" configured with JNDI name "jdbc/mds/MDS_LocalTxDataSource".
weblogic.common.ResourceException: No good connections available.
No good connections available.
 
在SOA Suite 中weblogic EM 部署JAR包的时候报错 weblogic.common.ResourceException: No good connections available.   基本确定是数据库问题,  通过手工连接数据库测试, 发现数据库偶而出现连接不上的情况,通过数据库
方面的处理(后台机器挂了,恢复后重新启动监听及数据库), db系统恢复正常, 部署也恢复正常 。 
 
 
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